Why We Walk Upright: Beats Being a Chimp
When you buy through links on our land site , we may earn an affiliate commission . Here ’s how it work . human walking on two legs consume only a one-fourth of the energy that Pan troglodytes use while “ knuckle - walking ” on all fours , according to a young study . The determination , detail in the July 17 issue of the diary for theProceedings of the National Academy of Sciences , supports the idea that other humansbecame bipedalas a means to slim vigour costs associated with moving about ....